package PTA2.ti38;

import java.util.Scanner;

/**
 * @author Lenovo
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n=scanner.nextInt();
        StringBuilder result=new StringBuilder();
        for (int i=1;i<=n;i++){
            if(i%2==1){
                result.append(i).append(" ");
            }
        }
        if(result.length()>0){
            result.setLength(result.length()-1);
        }
        System.out.println(result);

    }
}
